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Finding the Fourth Proportional to 614.19, 917.03 and 552.77

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Solution

The fourth proportional to 614.19, 917.03 and 552.77 is: 825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.19 : 917.03 = 552.77 : x
  2. Step 2: Convert to fraction form
    614.19/917.03 = 552.77/x
  3. Step 3: Cross multiply
    614.19x = 917.03 × 552.77
  4. Step 4: Simplify right side
    614.19x = 506,899.32
  5. Step 5: Solve for x
    x = 506,899.32/614.19
  6. Step 6: Final answer
    x = 825.31

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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.