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Finding the Fourth Proportional to 575.55, 858.90 and 514.04

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Solution

The fourth proportional to 575.55, 858.90 and 514.04 is: 767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.55 : 858.90 = 514.04 : x
  2. Step 2: Convert to fraction form
    575.55/858.90 = 514.04/x
  3. Step 3: Cross multiply
    575.55x = 858.90 × 514.04
  4. Step 4: Simplify right side
    575.55x = 441,504.66
  5. Step 5: Solve for x
    x = 441,504.66/575.55
  6. Step 6: Final answer
    x = 767.11

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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.