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Finding the Fourth Proportional to 1,008.98, 1,513.08 and 598.23

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Solution

The fourth proportional to 1,008.98, 1,513.08 and 598.23 is: 897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.98 : 1,513.08 = 598.23 : x
  2. Step 2: Convert to fraction form
    1,008.98/1,513.08 = 598.23/x
  3. Step 3: Cross multiply
    1,008.98x = 1,513.08 × 598.23
  4. Step 4: Simplify right side
    1,008.98x = 905,159.29
  5. Step 5: Solve for x
    x = 905,159.29/1,008.98
  6. Step 6: Final answer
    x = 897.11

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1.5x scale

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.