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Finding the Fourth Proportional to 903.38, 1,246.56 and 510.41

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Solution

The fourth proportional to 903.38, 1,246.56 and 510.41 is: 704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.38 : 1,246.56 = 510.41 : x
  2. Step 2: Convert to fraction form
    903.38/1,246.56 = 510.41/x
  3. Step 3: Cross multiply
    903.38x = 1,246.56 × 510.41
  4. Step 4: Simplify right side
    903.38x = 636,256.69
  5. Step 5: Solve for x
    x = 636,256.69/903.38
  6. Step 6: Final answer
    x = 704.31

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Double scale
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1.5x scale

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.