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Finding the Fourth Proportional to 925.72, 1,277.56 and 532.76

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Solution

The fourth proportional to 925.72, 1,277.56 and 532.76 is: 735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.72 : 1,277.56 = 532.76 : x
  2. Step 2: Convert to fraction form
    925.72/1,277.56 = 532.76/x
  3. Step 3: Cross multiply
    925.72x = 1,277.56 × 532.76
  4. Step 4: Simplify right side
    925.72x = 680,632.87
  5. Step 5: Solve for x
    x = 680,632.87/925.72
  6. Step 6: Final answer
    x = 735.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 926.72, 1,278.94 and 533.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.