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Finding the Fourth Proportional to 560.27, 839.16 and 546.50

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Solution

The fourth proportional to 560.27, 839.16 and 546.50 is: 818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.27 : 839.16 = 546.50 : x
  2. Step 2: Convert to fraction form
    560.27/839.16 = 546.50/x
  3. Step 3: Cross multiply
    560.27x = 839.16 × 546.50
  4. Step 4: Simplify right side
    560.27x = 458,596.74
  5. Step 5: Solve for x
    x = 458,596.74/560.27
  6. Step 6: Final answer
    x = 818.54

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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.