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Finding the Fourth Proportional to 584.65, 877.10 and 260.11

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Solution

The fourth proportional to 584.65, 877.10 and 260.11 is: 390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.65 : 877.10 = 260.11 : x
  2. Step 2: Convert to fraction form
    584.65/877.10 = 260.11/x
  3. Step 3: Cross multiply
    584.65x = 877.10 × 260.11
  4. Step 4: Simplify right side
    584.65x = 228,142.48
  5. Step 5: Solve for x
    x = 228,142.48/584.65
  6. Step 6: Final answer
    x = 390.22

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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.