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Finding the Fourth Proportional to 554.70, 767.43 and 471.54

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Solution

The fourth proportional to 554.70, 767.43 and 471.54 is: 652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.70 : 767.43 = 471.54 : x
  2. Step 2: Convert to fraction form
    554.70/767.43 = 471.54/x
  3. Step 3: Cross multiply
    554.70x = 767.43 × 471.54
  4. Step 4: Simplify right side
    554.70x = 361,873.94
  5. Step 5: Solve for x
    x = 361,873.94/554.70
  6. Step 6: Final answer
    x = 652.38

Related Problems

Find fourth proportional to 277.35, 383.72 and 235.77
Half scale
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Double scale
Find fourth proportional to 555.70, 768.81 and 472.54
Similar ratio
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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.