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Finding the Fourth Proportional to 995.19, 1,373.00 and 602.07

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Solution

The fourth proportional to 995.19, 1,373.00 and 602.07 is: 830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.19 : 1,373.00 = 602.07 : x
  2. Step 2: Convert to fraction form
    995.19/1,373.00 = 602.07/x
  3. Step 3: Cross multiply
    995.19x = 1,373.00 × 602.07
  4. Step 4: Simplify right side
    995.19x = 826,639.10
  5. Step 5: Solve for x
    x = 826,639.10/995.19
  6. Step 6: Final answer
    x = 830.63

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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.