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Finding the Fourth Proportional to 602.36, 902.58 and 581.24

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Solution

The fourth proportional to 602.36, 902.58 and 581.24 is: 870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.36 : 902.58 = 581.24 : x
  2. Step 2: Convert to fraction form
    602.36/902.58 = 581.24/x
  3. Step 3: Cross multiply
    602.36x = 902.58 × 581.24
  4. Step 4: Simplify right side
    602.36x = 524,615.60
  5. Step 5: Solve for x
    x = 524,615.60/602.36
  6. Step 6: Final answer
    x = 870.93

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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.