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Finding the Fourth Proportional to 497.66, 747.36 and 477.50

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Solution

The fourth proportional to 497.66, 747.36 and 477.50 is: 717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.66 : 747.36 = 477.50 : x
  2. Step 2: Convert to fraction form
    497.66/747.36 = 477.50/x
  3. Step 3: Cross multiply
    497.66x = 747.36 × 477.50
  4. Step 4: Simplify right side
    497.66x = 356,860.66
  5. Step 5: Solve for x
    x = 356,860.66/497.66
  6. Step 6: Final answer
    x = 717.08

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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.