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Finding the Fourth Proportional to 1,303.68, 1,955.04 and 534.24

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Solution

The fourth proportional to 1,303.68, 1,955.04 and 534.24 is: 801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.68 : 1,955.04 = 534.24 : x
  2. Step 2: Convert to fraction form
    1,303.68/1,955.04 = 534.24/x
  3. Step 3: Cross multiply
    1,303.68x = 1,955.04 × 534.24
  4. Step 4: Simplify right side
    1,303.68x = 1,044,460.57
  5. Step 5: Solve for x
    x = 1,044,460.57/1,303.68
  6. Step 6: Final answer
    x = 801.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.