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Finding the Fourth Proportional to 527.77, 792.19 and 373.87

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Solution

The fourth proportional to 527.77, 792.19 and 373.87 is: 561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.77 : 792.19 = 373.87 : x
  2. Step 2: Convert to fraction form
    527.77/792.19 = 373.87/x
  3. Step 3: Cross multiply
    527.77x = 792.19 × 373.87
  4. Step 4: Simplify right side
    527.77x = 296,172.11
  5. Step 5: Solve for x
    x = 296,172.11/527.77
  6. Step 6: Final answer
    x = 561.18

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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.