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Finding the Fourth Proportional to 507.36, 699.72 and 332.76

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Solution

The fourth proportional to 507.36, 699.72 and 332.76 is: 458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.36 : 699.72 = 332.76 : x
  2. Step 2: Convert to fraction form
    507.36/699.72 = 332.76/x
  3. Step 3: Cross multiply
    507.36x = 699.72 × 332.76
  4. Step 4: Simplify right side
    507.36x = 232,838.83
  5. Step 5: Solve for x
    x = 232,838.83/507.36
  6. Step 6: Final answer
    x = 458.92

Related Problems

Find fourth proportional to 253.68, 349.86 and 166.38
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Double scale
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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.