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Finding the Fourth Proportional to 703.07, 970.14 and 437.55

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Solution

The fourth proportional to 703.07, 970.14 and 437.55 is: 603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.07 : 970.14 = 437.55 : x
  2. Step 2: Convert to fraction form
    703.07/970.14 = 437.55/x
  3. Step 3: Cross multiply
    703.07x = 970.14 × 437.55
  4. Step 4: Simplify right side
    703.07x = 424,486.37
  5. Step 5: Solve for x
    x = 424,486.37/703.07
  6. Step 6: Final answer
    x = 603.76

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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.