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Finding the Fourth Proportional to 605.76, 904.24 and 560.67

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Solution

The fourth proportional to 605.76, 904.24 and 560.67 is: 836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.76 : 904.24 = 560.67 : x
  2. Step 2: Convert to fraction form
    605.76/904.24 = 560.67/x
  3. Step 3: Cross multiply
    605.76x = 904.24 × 560.67
  4. Step 4: Simplify right side
    605.76x = 506,980.24
  5. Step 5: Solve for x
    x = 506,980.24/605.76
  6. Step 6: Final answer
    x = 836.93

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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.