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Finding the Fourth Proportional to 524.79, 782.35 and 500.18

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Solution

The fourth proportional to 524.79, 782.35 and 500.18 is: 745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.79 : 782.35 = 500.18 : x
  2. Step 2: Convert to fraction form
    524.79/782.35 = 500.18/x
  3. Step 3: Cross multiply
    524.79x = 782.35 × 500.18
  4. Step 4: Simplify right side
    524.79x = 391,315.82
  5. Step 5: Solve for x
    x = 391,315.82/524.79
  6. Step 6: Final answer
    x = 745.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.