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Finding the Fourth Proportional to 652.10, 900.22 and 443.38

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Solution

The fourth proportional to 652.10, 900.22 and 443.38 is: 612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.10 : 900.22 = 443.38 : x
  2. Step 2: Convert to fraction form
    652.10/900.22 = 443.38/x
  3. Step 3: Cross multiply
    652.10x = 900.22 × 443.38
  4. Step 4: Simplify right side
    652.10x = 399,139.54
  5. Step 5: Solve for x
    x = 399,139.54/652.10
  6. Step 6: Final answer
    x = 612.08

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Double scale
Find fourth proportional to 653.10, 901.60 and 444.38
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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.