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Finding the Fourth Proportional to 526.61, 789.14 and 468.95

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Solution

The fourth proportional to 526.61, 789.14 and 468.95 is: 702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.61 : 789.14 = 468.95 : x
  2. Step 2: Convert to fraction form
    526.61/789.14 = 468.95/x
  3. Step 3: Cross multiply
    526.61x = 789.14 × 468.95
  4. Step 4: Simplify right side
    526.61x = 370,060.91
  5. Step 5: Solve for x
    x = 370,060.91/526.61
  6. Step 6: Final answer
    x = 702.73

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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.