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Finding the Fourth Proportional to 703.33, 970.19 and 440.89

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Solution

The fourth proportional to 703.33, 970.19 and 440.89 is: 608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.33 : 970.19 = 440.89 : x
  2. Step 2: Convert to fraction form
    703.33/970.19 = 440.89/x
  3. Step 3: Cross multiply
    703.33x = 970.19 × 440.89
  4. Step 4: Simplify right side
    703.33x = 427,747.07
  5. Step 5: Solve for x
    x = 427,747.07/703.33
  6. Step 6: Final answer
    x = 608.17

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1.5x scale

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.