Home / 916.03-1,264.14-523.18

Finding the Fourth Proportional to 916.03, 1,264.14 and 523.18

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Solution

The fourth proportional to 916.03, 1,264.14 and 523.18 is: 722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.03 : 1,264.14 = 523.18 : x
  2. Step 2: Convert to fraction form
    916.03/1,264.14 = 523.18/x
  3. Step 3: Cross multiply
    916.03x = 1,264.14 × 523.18
  4. Step 4: Simplify right side
    916.03x = 661,372.77
  5. Step 5: Solve for x
    x = 661,372.77/916.03
  6. Step 6: Final answer
    x = 722.00

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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.