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Finding the Fourth Proportional to 507.53, 761.49 and 410.93

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Solution

The fourth proportional to 507.53, 761.49 and 410.93 is: 616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.53 : 761.49 = 410.93 : x
  2. Step 2: Convert to fraction form
    507.53/761.49 = 410.93/x
  3. Step 3: Cross multiply
    507.53x = 761.49 × 410.93
  4. Step 4: Simplify right side
    507.53x = 312,919.09
  5. Step 5: Solve for x
    x = 312,919.09/507.53
  6. Step 6: Final answer
    x = 616.55

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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.