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Finding the Fourth Proportional to 532.46, 734.77 and 322.76

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Solution

The fourth proportional to 532.46, 734.77 and 322.76 is: 445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.46 : 734.77 = 322.76 : x
  2. Step 2: Convert to fraction form
    532.46/734.77 = 322.76/x
  3. Step 3: Cross multiply
    532.46x = 734.77 × 322.76
  4. Step 4: Simplify right side
    532.46x = 237,154.37
  5. Step 5: Solve for x
    x = 237,154.37/532.46
  6. Step 6: Final answer
    x = 445.39

Related Problems

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Double scale
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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.