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Finding the Fourth Proportional to 602.07, 899.09 and 571.32

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Solution

The fourth proportional to 602.07, 899.09 and 571.32 is: 853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.07 : 899.09 = 571.32 : x
  2. Step 2: Convert to fraction form
    602.07/899.09 = 571.32/x
  3. Step 3: Cross multiply
    602.07x = 899.09 × 571.32
  4. Step 4: Simplify right side
    602.07x = 513,662.99
  5. Step 5: Solve for x
    x = 513,662.99/602.07
  6. Step 6: Final answer
    x = 853.16

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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.