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Finding the Fourth Proportional to 545.95, 752.88 and 500.98

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Solution

The fourth proportional to 545.95, 752.88 and 500.98 is: 690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.95 : 752.88 = 500.98 : x
  2. Step 2: Convert to fraction form
    545.95/752.88 = 500.98/x
  3. Step 3: Cross multiply
    545.95x = 752.88 × 500.98
  4. Step 4: Simplify right side
    545.95x = 377,177.82
  5. Step 5: Solve for x
    x = 377,177.82/545.95
  6. Step 6: Final answer
    x = 690.87

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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.