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Finding the Fourth Proportional to 586.08, 883.35 and 561.38

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Solution

The fourth proportional to 586.08, 883.35 and 561.38 is: 846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.08 : 883.35 = 561.38 : x
  2. Step 2: Convert to fraction form
    586.08/883.35 = 561.38/x
  3. Step 3: Cross multiply
    586.08x = 883.35 × 561.38
  4. Step 4: Simplify right side
    586.08x = 495,890.61
  5. Step 5: Solve for x
    x = 495,890.61/586.08
  6. Step 6: Final answer
    x = 846.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.