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Finding the Fourth Proportional to 507.04, 761.86 and 477.53

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Solution

The fourth proportional to 507.04, 761.86 and 477.53 is: 717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.04 : 761.86 = 477.53 : x
  2. Step 2: Convert to fraction form
    507.04/761.86 = 477.53/x
  3. Step 3: Cross multiply
    507.04x = 761.86 × 477.53
  4. Step 4: Simplify right side
    507.04x = 363,810.65
  5. Step 5: Solve for x
    x = 363,810.65/507.04
  6. Step 6: Final answer
    x = 717.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.