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Finding the Fourth Proportional to 944.75, 1,303.71 and 708.23

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Solution

The fourth proportional to 944.75, 1,303.71 and 708.23 is: 977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.75 : 1,303.71 = 708.23 : x
  2. Step 2: Convert to fraction form
    944.75/1,303.71 = 708.23/x
  3. Step 3: Cross multiply
    944.75x = 1,303.71 × 708.23
  4. Step 4: Simplify right side
    944.75x = 923,326.53
  5. Step 5: Solve for x
    x = 923,326.53/944.75
  6. Step 6: Final answer
    x = 977.32

Related Problems

Find fourth proportional to 472.38, 651.86 and 354.12
Half scale
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Double scale
Find fourth proportional to 945.75, 1,305.09 and 709.23
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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.