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Finding the Fourth Proportional to 795.07, 1,188.01 and 631.05

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Solution

The fourth proportional to 795.07, 1,188.01 and 631.05 is: 942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.07 : 1,188.01 = 631.05 : x
  2. Step 2: Convert to fraction form
    795.07/1,188.01 = 631.05/x
  3. Step 3: Cross multiply
    795.07x = 1,188.01 × 631.05
  4. Step 4: Simplify right side
    795.07x = 749,693.71
  5. Step 5: Solve for x
    x = 749,693.71/795.07
  6. Step 6: Final answer
    x = 942.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.