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Finding the Fourth Proportional to 602.46, 899.64 and 570.87

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Solution

The fourth proportional to 602.46, 899.64 and 570.87 is: 852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.46 : 899.64 = 570.87 : x
  2. Step 2: Convert to fraction form
    602.46/899.64 = 570.87/x
  3. Step 3: Cross multiply
    602.46x = 899.64 × 570.87
  4. Step 4: Simplify right side
    602.46x = 513,577.49
  5. Step 5: Solve for x
    x = 513,577.49/602.46
  6. Step 6: Final answer
    x = 852.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.