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Finding the Fourth Proportional to 580.09, 870.47 and 233.58

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Solution

The fourth proportional to 580.09, 870.47 and 233.58 is: 350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.09 : 870.47 = 233.58 : x
  2. Step 2: Convert to fraction form
    580.09/870.47 = 233.58/x
  3. Step 3: Cross multiply
    580.09x = 870.47 × 233.58
  4. Step 4: Simplify right side
    580.09x = 203,320.61
  5. Step 5: Solve for x
    x = 203,320.61/580.09
  6. Step 6: Final answer
    x = 350.50

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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.