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Finding the Fourth Proportional to 586.15, 879.29 and 153.34

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Solution

The fourth proportional to 586.15, 879.29 and 153.34 is: 230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.15 : 879.29 = 153.34 : x
  2. Step 2: Convert to fraction form
    586.15/879.29 = 153.34/x
  3. Step 3: Cross multiply
    586.15x = 879.29 × 153.34
  4. Step 4: Simplify right side
    586.15x = 134,830.33
  5. Step 5: Solve for x
    x = 134,830.33/586.15
  6. Step 6: Final answer
    x = 230.03

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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.