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Finding the Fourth Proportional to 652.29, 899.77 and 416.28

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Solution

The fourth proportional to 652.29, 899.77 and 416.28 is: 574.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.29 : 899.77 = 416.28 : x
  2. Step 2: Convert to fraction form
    652.29/899.77 = 416.28/x
  3. Step 3: Cross multiply
    652.29x = 899.77 × 416.28
  4. Step 4: Simplify right side
    652.29x = 374,556.26
  5. Step 5: Solve for x
    x = 374,556.26/652.29
  6. Step 6: Final answer
    x = 574.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.